| 1. | a treatise on a particular subject, as a biographical study or study of the works of one artist. |
| 2. | a highly detailed and thoroughly documented study or paper written about a limited area of a subject or field of inquiry: scholarly monographs on medieval pigments. |
| 3. | an account of a single thing or class of things, as of a species of organism. |
| 4. | to write a monograph about. |